Storage bin



FIG. 1 is a perspective view of a storage bin showing our new design;

FIG. 2 is a left side elevational view, the right side being a mirro image thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom plan view thereof.

The broken line showing of castors throughout the views is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a storage bin, as shown and described. 